| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 12/07/2000 | WO2000074095A1 Operating mechanism for autorecloser with series disconnector |
| 12/07/2000 | WO2000074094A1 Electric switching device |
| 12/07/2000 | DE19925965A1 Switchgear arrangement with disconnecting/isolating switches and circuit-breakers for low voltage applications |
| 12/07/2000 | CA2373539A1 Operating mechanism for autorecloser with series disconnector |
| 12/06/2000 | CN2409602Y Outdoor high-voltage vacuum circuit breaker |
| 12/06/2000 | CN2409601Y Vacuum arc extinguishing chamber capable of on-line monitoring vacuum degree |
| 12/05/2000 | US6156989 Multi-phase vacuum switch arrangement including an electromagnet actuating mechanism |
| 11/30/2000 | WO2000072347A1 On/off control device, especially for a disconnection device such as a circuit breaker and circuit breaker fitted with said device |
| 11/30/2000 | WO2000072341A1 Contact assembly on a preselector |
| 11/30/2000 | DE19925191A1 Contact arrangement for vacuum switches comprises an elastomer unit which is located between the switch drive and the movable contact, and combines the functions of insulating, spring and damping elements |
| 11/29/2000 | EP1056109A1 Medium voltage vacuum circuit breaker with a protection housing per pole |
| 11/29/2000 | EP1056108A1 Actuating for a multipolar circuit breaker having a variable distance between poles |
| 11/29/2000 | EP1056104A1 High-speed control device for a high voltage connection apparatus, in particular a grounding disconnector |
| 11/29/2000 | CN2408606Y AC high voltage automatic sectional device controller |
| 11/29/2000 | CN2408562Y Elastic mounted vacuum breaker for arc suppressing room |
| 11/29/2000 | CN2408561Y Straightening mechanism for breaker operation |
| 11/29/2000 | CN2408560Y Tripping device for breaker knife switch |
| 11/29/2000 | CN1274975A Gas-filled switch device |
| 11/29/2000 | CN1059049C Linear spring controller for high-voltage circuit breaker |
| 11/28/2000 | US6153846 Vacuum insulated switching apparatus |
| 11/28/2000 | CA2309794A1 Quick control mechanism for high voltage switching device, particularly an earthing switch |
| 11/22/2000 | EP1054493A1 Gas-insulated switchgear |
| 11/22/2000 | EP1054419A1 High tension isolating switch with a mobile contact movable at high speed |
| 11/22/2000 | EP1053556A1 Electromagnetic current releasing device for electrical circuit breaker |
| 11/22/2000 | EP1053555A1 Method and device for operating a circuit breaker |
| 11/22/2000 | CN2407446Y Vacuum high voltage A. C. circuit breaker |
| 11/22/2000 | CN1274469A Electromagnetic current releasing device for electrical circuit breaker |
| 11/22/2000 | CN1274468A Blow-out coil for gas-insulated load-break switches |
| 11/22/2000 | CN1274166A Drive unit in electric operation mechanism of breaker |
| 11/21/2000 | US6150625 Vacuum circuit breaker with contact wear indicator tool |
| 11/16/2000 | WO2000069041A1 Vacuum switch gear |
| 11/16/2000 | DE19905024C1 Hochspannungsleistungsschalter mit wenigstens zwei Schalterpolen High voltage circuit breaker with at least two switch poles |
| 11/15/2000 | CN2406329Y Vacuum arc-suppression chamber with insulation cover |
| 11/15/2000 | CN2406328Y Permanent magnetic operation mechanism |
| 11/15/2000 | CN1273687A Vacuum switch and vacuum switch gear using the vacuum switch |
| 11/15/2000 | CN1273686A Vacuum switch and vacuum switch gear using the vacuum switch |
| 11/15/2000 | CN1273685A Vacuum switch and vacuum switchgear using the switch |
| 11/15/2000 | CN1273684A Vacuum switch and vacuum switch gear |
| 11/15/2000 | CN1273683A Vacuum switch gear |
| 11/15/2000 | CN1273682A Vacuum switchgear |
| 11/15/2000 | CN1273679A Low-voltage power switch with switching axle |
| 11/15/2000 | CN1273430A High-pressure witch with at least two series vacuum switch chambers and operation method thereof |
| 11/14/2000 | US6147333 Breaker blanket heating and insulation unit |
| 11/14/2000 | CA2197376C Switching device for controlling thyristors |
| 11/14/2000 | CA2182828C Dc circuit breaking device |
| 11/09/2000 | WO2000067271A1 Electric switching device |
| 11/09/2000 | DE19921477A1 Open air electrical switch pole section, comprises a vacuum chamber located in a cylindrical housing made of a rigid insulating material, with an outer insulating coating. |
| 11/09/2000 | DE19921173A1 Spurious arc extinguishing device for electrical switching apparatus has contacts in vacuum chamber which close and commutate current of spurious arc |
| 11/09/2000 | DE19918077C1 HV load switch e.g. for electric railway, has vacuum switch chamber adjacent main switching contacts containing contacts which are closed for extinguishing arc between main switching contacts |
| 11/08/2000 | CN1272950A Vacuum switch and vacuum switch gear using vacuum switch |
| 11/08/2000 | CN1058352C High-frequency discharging device for vacuum switch |
| 11/07/2000 | US6144005 Vacuum switch and a vacuum switchgear using the same |
| 11/07/2000 | US6144002 Switchgear apparatus comprising a mechanical visualization means with three positions |
| 11/02/2000 | WO2000065624A2 Arc extinguishing aid |
| 11/02/2000 | WO2000044010A3 High-voltage power circuit breaker comprising an insulating nozzle |
| 11/02/2000 | WO1999052121A9 Motor operator for overhead air break electrical power distribution switches |
| 11/02/2000 | EP1049123A1 Control device with three positions for electrical apparatus |
| 10/31/2000 | US6141192 Arcing fault protection system for a switchgear enclosure |
| 10/31/2000 | US6140894 Electrical circuit breakers |
| 10/31/2000 | US6140599 Contact configuration for vacuum switches |
| 10/26/2000 | DE19904932C1 Löschspule zum Einsatz in gasisolierten Lasttrenn- oder Leistungsschaltern Extinguishing coil for use in gas-insulated disconnectors or circuit breakers |
| 10/26/2000 | CA2306675A1 Three-position control device for electrical equipment |
| 10/25/2000 | EP1047169A2 Vacuum insulated switch gear |
| 10/25/2000 | CN2403117Y Vacuum circuit breaker having DC self-supply power source |
| 10/25/2000 | CN2403116Y Vacuum monitor for vacuum switch tube in power grid |
| 10/25/2000 | CN1271472A Recloser-automatic switch for aerial power lines of the TEC series |
| 10/25/2000 | CN1271471A Switch gear |
| 10/25/2000 | CN1271172A Switch device and special height metal closed switch device |
| 10/19/2000 | WO2000062319A1 Encapsulated magnetically actuated vacuum interrupter with integral bushing connector |
| 10/19/2000 | DE19916082A1 Pulvermetallurgisch hergestellter Verbundwerkstoff und Verfahren zu dessen Herstellung The powder metallurgy composite material and process for its preparation |
| 10/18/2000 | EP1045500A1 Electronic tripping device with phase reconstruction and circuit breaker with such a trip device |
| 10/18/2000 | EP1045498A2 Vacuum insulated switch gear |
| 10/18/2000 | CN1270430A Electronic break-off unit with phase reset function and breaker including same |
| 10/18/2000 | CN1270404A Switch |
| 10/18/2000 | CN1270402A Operating device for ground switch for switchgears, especially for moderate voltage ones |
| 10/12/2000 | DE19923722C1 Contact device for stepping switch pre-selector has contact ring within pre-selector insulating housing cooperating with contact secured in bore in housing wall via positioning washer mounted on contact shaft |
| 10/12/2000 | DE19913236A1 Verfahren zur Strombegrenzung in Niederspannungsnetzen, zugehörige Anordnung sowie spezielle Verwendung dieser Anordnung Method for limiting current in low voltage networks, associated arrangement and special use of this arrangement |
| 10/11/2000 | EP1043409A2 Composite material prepared by powder metallurgy |
| 10/11/2000 | EP1042771A1 Improvements in and relating to electromagnetic actuators |
| 10/11/2000 | CN2400892Y Insulating sleeve for vacuum circuit breaker |
| 10/11/2000 | CN1269591A Switch device and power drived switch apparatus |
| 10/10/2000 | US6130594 Magnetically driven electric switch |
| 10/10/2000 | US6130394 Hermetically sealed vacuum load interrupter switch with flashover features |
| 10/05/2000 | WO2000058985A1 A switching device and the use thereof |
| 10/05/2000 | DE19914773A1 Arc-quenching aid with externally applied magnetic blow-out coil for switching off currents |
| 10/05/2000 | DE19913059A1 Multiple-pole, especially three-pole, high voltage (HV) circuit breaker |
| 10/04/2000 | EP1041593A2 Switch gear and power switching apparatus |
| 10/04/2000 | EP1040497A1 An electric switching device and a method for performing electric disconnection of a load |
| 10/04/2000 | EP1040496A1 Electrical circuit breaker |
| 10/04/2000 | CN2399819Y High voltage combined switch |
| 10/04/2000 | CN1268760A Mechanism for operating three position switch e. g. off/star/delta |
| 10/03/2000 | US6128170 Analog based first and fast second pulse removal system |
| 10/03/2000 | US6127637 Disconnect feature for interrupter |
| 10/03/2000 | US6125692 Density sensor for monitoring the rate of leakage from a switchgear case with improved reliability |
| 09/27/2000 | EP1039495A2 Method for limiting current in low voltage networks, its associated arrangement and special use of this arrangement |
| 09/27/2000 | CN1267897A Switch mechanism |
| 09/26/2000 | US6124558 Rotation-activated circuit-breaker with a leading auxiliary switch |
| 09/21/2000 | DE19912713A1 Current conductor blocking device; allows movement of current conductor only at time when amount of electrical current flowing through current conductor falls below given current threshold |
| 09/21/2000 | DE19912022A1 Hochspannungsschaltgerät mit Serienschaltung von mindestens zwei Vakuumschaltkammern und Verfahren zum Betrieb des Hochspannungsschallgerätes High-voltage switching device with a series connection of at least two vacuum switching chambers and method of operation of the high voltage noise device |
| 09/21/2000 | DE19910326A1 Bistabiler magnetischer Antrieb für einen Schalter Bistable magnetic drive for a switch |